Technical Specification for Earth Rods/
Accessories, Connectors and Earth Enhancing
Compound
Page 6 of 21 Specification ETS01-08-01 Ver 2
Ergon Energy Corporation Limited ABN 50 087 646 062
Tenders who are unable to conform to this requirement shall provide full technical details
together with unit prices of the dies and the compression tools required for their system.
5.7.6 Tenderers shall indicate if the rod requires pre-crimping prior to compressing the connector.
5.8 Bolted Connectors
5.8.1 Connectors (Earth Rod/Conductor) shall satisfy the following requirements:
(a) Be suitable for direct burial in the ground.
(b) Be suitable for connecting a 13 mm diameter rod with one or
two stranded copper conductors of the following sizes:
Minimum conductor size: 35 mm2
(19/1.53)
Maximum conductor size: 70 mm2
(19/2.14)
(c) Be of double saddle type that houses the conductor and earth
rod separately.
(d) Be of materials which are resistant to corrosion and parts of the
connector which are in direct contact with the conductor and
earth rod shall be of material which does not cause interface
corrosion.
5.8.2 The Connectors (conductor/conductor) shall satisfy the following requirements:
(a) Be suitable for underground applications and shall have corrosion
resistant properties similar to the ‘earth rod/conductor’ type
connectors
(b) The Connectors (conductor /conductor) shall be suitable for
joining the following types of stranded copper conductor;
35mm2
to 35 mm2
35mm2
to 70mm2
70mm2
to 70 mm2
The connectors shall be supplied with stainless steel M10 nuts with head dimensions in
accordance with AS 1112.
All bolts and washers shall be grade 316 stainless steel in accordance with AS 2837.
All nuts shall be grade 304 stainless steel in accordance with AS 2837.
Stainless steel bolts and nuts shall be suitably greased to prevent binding
The tenderer shall advise the minimum and maximum recommended tightening torques a
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